Fan assembly
First Claim
1. A nozzle for a fan assembly, the nozzle comprising:
- an air inlet;
an air outlet for emitting an air flow;
an interior passage for conveying air from the air inlet to the air outlet;
an annular inner wall;
an outer wall extending about the inner wall, the interior passage being located between the inner wall and the outer wall, the inner wall at least partially defining a bore, having a bore axis, through which air from outside the nozzle is drawn by air emitted from the air outlet;
a first guide surface and a second guide surface both located downstream from the air outlet, wherein the first guide surface is angled away from the bore axis and the second guide surface is angled towards the bore axis;
a flow control port located downstream from the air outlet;
a flow control chamber for conveying air to the flow control port, wherein the flow control chamber is located in front of the interior passage and the interior passage and the flow control chamber are separated by a wall that extends between the annular inner wall and the outer wall; and
a control for selectively inhibiting a flow of air through the flow control port such that a profile of the air flow emitted from the fan assembly varies between a flow directed towards the bore axis and a flow directed away from the bore axis.
1 Assignment
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Accused Products
Abstract
A nozzle for a fan assembly includes an air inlet, an air outlet, an interior passage for conveying air from the air inlet to the air outlet, an annular inner wall, and an outer wall extending about the inner wall. The interior passage is located between the inner wall and the outer wall. The inner wall at least partially defines a bore through which air from outside the nozzle is drawn by air emitted from the air outlet. A flow control port is located downstream from the air outlet. A flow control chamber is provided for conveying air to the flow control port. A control mechanism selectively inhibits a flow of air through the flow control port to deflect an air flow emitted from the air outlet.
234 Citations
18 Claims
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1. A nozzle for a fan assembly, the nozzle comprising:
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an air inlet; an air outlet for emitting an air flow; an interior passage for conveying air from the air inlet to the air outlet; an annular inner wall; an outer wall extending about the inner wall, the interior passage being located between the inner wall and the outer wall, the inner wall at least partially defining a bore, having a bore axis, through which air from outside the nozzle is drawn by air emitted from the air outlet; a first guide surface and a second guide surface both located downstream from the air outlet, wherein the first guide surface is angled away from the bore axis and the second guide surface is angled towards the bore axis; a flow control port located downstream from the air outlet; a flow control chamber for conveying air to the flow control port, wherein the flow control chamber is located in front of the interior passage and the interior passage and the flow control chamber are separated by a wall that extends between the annular inner wall and the outer wall; and a control for selectively inhibiting a flow of air through the flow control port such that a profile of the air flow emitted from the fan assembly varies between a flow directed towards the bore axis and a flow directed away from the bore axis. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification